(VCC = 5V, VRS+ = VRS- = +14V, VSENSE = (VRS+ - VRS-) = 0V, VSHDN = VGND = 0V, VREFIN = VCC/2, RL = 100kΩ; for MAX9918,

AV = 90V/V, R2/R1 = 89kΩ/1kΩ; for MAX9920, AV = 20V/V, R2/R1 = 79kΩ/1kΩ; TA = -40°C to +125°C, unless otherwise noted. Typical

values are at TA = +25°C.) (Note 1)

Electrical Characteristics

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Offset Voltage (Note 2)

VOS

MAX9918

VRS+ = VRS- =

+14V, VREFIN

= 0V

TA = +25°C

±0.14

±0.4

mV

TA = -40°C to

+125°C

±0.7

VRS+ = VRS- =

-2V, VREFIN

= 0V

TA = +25°C

±0.08

±0.4

TA = -40°C to

+125°C

±1.3

MAX9919_

VRS+= VRS- =

+14V, VREFIN

= 0V

TA = +25°C

±0.18

±0.4

TA = -40°C to

+125°C

±0.9

VRS+ = VRS- =

-2V, VREFIN

= 0V

TA = +25°C

±0.11

±0.4

TA = -40°C to

+125°C

±1.0

MAX9920

VRS+ = VRS- =

+14V, VREFIN

= 0V

TA = +25°C

±0.48

±1.2

TA = -40°C to

+125°C

±3.0

VRS+ = VRS- =

-2V, VREFIN

= 0V

TA = +25°C

±0.10

±0.9

TA = -40°C to

+125°C

±3.5

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Maxim Integrated │ 3

MAX9918/MAX9919/MAX9920

-20V to +75V Input Range,

Precision Uni-/Bidirectional,

Current-Sense Amplifiers